Stampdesc British Guiana, 12c-lil-unissued

desc_issuer: British Guiana
desc_denom: 12c
desc_color: lil
desc_unissued: 1

Used by 1 overprinted stamp:
British Guiana postage 1881 1c lil issue=1881b oc=blk on=12c-lil-unissued

Description does not match any stamp types!